1699246142 has 16 divisors (see below), whose sum is σ = 2787858432. Its totient is φ = 770364120.

The previous prime is 1699246139. The next prime is 1699246147. The reversal of 1699246142 is 2416429961.

It is a super-2 number, since 2×1699246142² = 5774874902203768328, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1699246093 and 1699246102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1699246147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92408 + ... + 109259.

It is an arithmetic number, because the mean of its divisors is an integer number (174241152).

Almost surely, 2^1699246142 is an apocalyptic number.

1699246142 is a deficient number, since it is larger than the sum of its proper divisors (1088612290).

1699246142 is a wasteful number, since it uses less digits than its factorization.

1699246142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202063.

The product of its digits is 186624, while the sum is 44.

The square root of 1699246142 is about 41221.9133714096. The cubic root of 1699246142 is about 1193.3067507750.

The spelling of 1699246142 in words is "one billion, six hundred ninety-nine million, two hundred forty-six thousand, one hundred forty-two".