7021474415653 has 4 divisors (see below), whose sum is σ = 7046822699020. Its totient is φ = 6996126132288.

The previous prime is 7021474415639. The next prime is 7021474415677. The reversal of 7021474415653 is 3565144741207.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4563722146369 + 2457752269284 = 2136287^2 + 1567722^2 .

It is a cyclic number.

It is not a de Polignac number, because 7021474415653 - 2¹³ = 7021474407461 is a prime.

It is a super-2 number, since 2×7021474415653² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7021474415597 and 7021474415606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7021474415633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12674141268 + ... + 12674141821.

It is an arithmetic number, because the mean of its divisors is an integer number (1761705674755).

Almost surely, 2^{7021474415653} is an apocalyptic number.

It is an amenable number.

7021474415653 is a deficient number, since it is larger than the sum of its proper divisors (25348283367).

7021474415653 is a wasteful number, since it uses less digits than its factorization.

7021474415653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25348283366.

The product of its (nonzero) digits is 2822400, while the sum is 49.

The spelling of 7021474415653 in words is "seven trillion, twenty-one billion, four hundred seventy-four million, four hundred fifteen thousand, six hundred fifty-three".