1464869690 has 32 divisors (see below), whose sum is σ = 2671704000. Its totient is φ = 578210688.

The previous prime is 1464869683. The next prime is 1464869699. The reversal of 1464869690 is 969684641.

It is a happy number.

It is a super-2 number, since 2×1464869690² = 4291686417361392200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1464869699) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 549581 + ... + 552239.

It is an arithmetic number, because the mean of its divisors is an integer number (83490750).

Almost surely, 2^1464869690 is an apocalyptic number.

1464869690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1464869690 is a deficient number, since it is larger than the sum of its proper divisors (1206834310).

1464869690 is a wasteful number, since it uses less digits than its factorization.

1464869690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3374.

The product of its (nonzero) digits is 2239488, while the sum is 53.

The square root of 1464869690 is about 38273.6161082279. The cubic root of 1464869690 is about 1135.7070742826.

The spelling of 1464869690 in words is "one billion, four hundred sixty-four million, eight hundred sixty-nine thousand, six hundred ninety".