1952198812 has 6 divisors (see below), whose sum is σ = 3416347928. Its totient is φ = 976099404.

The previous prime is 1952198789. The next prime is 1952198813. The reversal of 1952198812 is 2188912591.

It is a happy number.

It is a super-2 number, since 2×1952198812² = 7622160403148422688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1952198813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244024848 + ... + 244024855.

Almost surely, 2^1952198812 is an apocalyptic number.

It is an amenable number.

1952198812 is a deficient number, since it is larger than the sum of its proper divisors (1464149116).

1952198812 is a wasteful number, since it uses less digits than its factorization.

1952198812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488049707 (or 488049705 counting only the distinct ones).

The product of its digits is 103680, while the sum is 46.

The square root of 1952198812 is about 44183.6939605552. The cubic root of 1952198812 is about 1249.8023819860.

The spelling of 1952198812 in words is "one billion, nine hundred fifty-two million, one hundred ninety-eight thousand, eight hundred twelve".