1951694652 has 24 divisors (see below), whose sum is σ = 4700856832. Its totient is φ = 629578800.

The previous prime is 1951694627. The next prime is 1951694653. The reversal of 1951694652 is 2564961591.

It is a super-2 number, since 2×1951694652² = 7618224029290802208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1951694653) 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, 2622874 + ... + 2623617.

Almost surely, 2^1951694652 is an apocalyptic number.

1951694652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1951694652 is an abundant number, since it is smaller than the sum of its proper divisors (2749162180).

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

1951694652 is a wasteful number, since it uses less digits than its factorization.

1951694652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5246529 (or 5246527 counting only the distinct ones).

The product of its digits is 583200, while the sum is 48.

The square root of 1951694652 is about 44177.9883199767. The cubic root of 1951694652 is about 1249.6947845742.

The spelling of 1951694652 in words is "one billion, nine hundred fifty-one million, six hundred ninety-four thousand, six hundred fifty-two".