1699942464 has 336 divisors, whose sum is σ = 5813633280. Its totient is φ = 487088640.

The previous prime is 1699942457. The next prime is 1699942469. The reversal of 1699942464 is 4642499961.

It is a happy number.

1699942464 is a `hidden beast` number, since 1 + 6 + 99 + 94 + 2 + 464 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 1699942464.

It is not an unprimeable number, because it can be changed into a prime (1699942469) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3250107 + ... + 3250629.

It is an arithmetic number, because the mean of its divisors is an integer number (17302480).

Almost surely, 2^1699942464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1699942464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2906816640).

1699942464 is an abundant number, since it is smaller than the sum of its proper divisors (4113690816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1699942464 is a wasteful number, since it uses less digits than its factorization.

1699942464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580 (or 558 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 54.

The square root of 1699942464 is about 41230.3585237868. The cubic root of 1699942464 is about 1193.4697274129.

The spelling of 1699942464 in words is "one billion, six hundred ninety-nine million, nine hundred forty-two thousand, four hundred sixty-four".