1951483851492 has 48 divisors (see below), whose sum is σ = 5255481286272. Its totient is φ = 552046348800.

The previous prime is 1951483851451. The next prime is 1951483851553. The reversal of 1951483851492 is 2941583841591.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115001173 + ... + 115018140.

It is an arithmetic number, because the mean of its divisors is an integer number (109489193464).

Almost surely, 2^{1951483851492} is an apocalyptic number.

1951483851492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1951483851492 is an abundant number, since it is smaller than the sum of its proper divisors (3303997434780).

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

1951483851492 is a wasteful number, since it uses less digits than its factorization.

1951483851492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230019428 (or 230019426 counting only the distinct ones).

The product of its digits is 12441600, while the sum is 60.

Subtracting 1951483851492 from its reverse (2941583841591), we obtain a palindrome (990099990099).

The spelling of 1951483851492 in words is "one trillion, nine hundred fifty-one billion, four hundred eighty-three million, eight hundred fifty-one thousand, four hundred ninety-two".