1949403495192 has 64 divisors (see below), whose sum is σ = 5209434639360. Its totient is φ = 606389203200.

The previous prime is 1949403495139. The next prime is 1949403495197. The reversal of 1949403495192 is 2915943049491.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1949403495197) 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, 43044784 + ... + 43090047.

It is an arithmetic number, because the mean of its divisors is an integer number (81397416240).

Almost surely, 2^{1949403495192} is an apocalyptic number.

1949403495192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1949403495192 is an abundant number, since it is smaller than the sum of its proper divisors (3260031144168).

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

1949403495192 is a wasteful number, since it uses less digits than its factorization.

1949403495192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86134904 (or 86134900 counting only the distinct ones).

The product of its (nonzero) digits is 12597120, while the sum is 60.

The spelling of 1949403495192 in words is "one trillion, nine hundred forty-nine billion, four hundred three million, four hundred ninety-five thousand, one hundred ninety-two".