1979793953425 has 12 divisors (see below), whose sum is σ = 2561681220480. Its totient is φ = 1514972763920.

The previous prime is 1979793953407. The next prime is 1979793953443. The reversal of 1979793953425 is 5243593979791.

It is an interprime number because it is at equal distance from previous prime (1979793953407) and next prime (1979793953443).

It is not a de Polignac number, because 1979793953425 - 2¹⁹ = 1979793429137 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1721559385 + ... + 1721560534.

It is an arithmetic number, because the mean of its divisors is an integer number (213473435040).

Almost surely, 2^{1979793953425} is an apocalyptic number.

It is an amenable number.

1979793953425 is a deficient number, since it is larger than the sum of its proper divisors (581887267055).

1979793953425 is a wasteful number, since it uses less digits than its factorization.

1979793953425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3443119952 (or 3443119947 counting only the distinct ones).

The product of its digits is 578680200, while the sum is 73.

The spelling of 1979793953425 in words is "one trillion, nine hundred seventy-nine billion, seven hundred ninety-three million, nine hundred fifty-three thousand, four hundred twenty-five".