7479474921079 has 16 divisors (see below), whose sum is σ = 8570067768640. Its totient is φ = 6394427400960.

The previous prime is 7479474920989. The next prime is 7479474921131. The reversal of 7479474921079 is 9701294749747.

It is a cyclic number.

It is not a de Polignac number, because 7479474921079 - 2²⁵ = 7479441366647 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7479474920999 and 7479474921017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7479474927079) 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, 3350059 + ... + 5116819.

It is an arithmetic number, because the mean of its divisors is an integer number (535629235540).

Almost surely, 2^{7479474921079} is an apocalyptic number.

7479474921079 is a deficient number, since it is larger than the sum of its proper divisors (1090592847561).

7479474921079 is a wasteful number, since it uses less digits than its factorization.

7479474921079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1768330.

The product of its (nonzero) digits is 224042112, while the sum is 70.

The spelling of 7479474921079 in words is "seven trillion, four hundred seventy-nine billion, four hundred seventy-four million, nine hundred twenty-one thousand, seventy-nine".