7485696621 has 16 divisors (see below), whose sum is σ = 11942992320. Its totient is φ = 4606582320.

The previous prime is 7485696593. The next prime is 7485696661. The reversal of 7485696621 is 1266965847.

7485696621 is a `hidden beast` number, since 7 + 4 + 8 + 5 + 6 + 9 + 6 + 621 = 666.

It is not a de Polignac number, because 7485696621 - 2¹⁹ = 7485172333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7485696661) 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, 10663035 + ... + 10663736.

It is an arithmetic number, because the mean of its divisors is an integer number (746437020).

Almost surely, 2^7485696621 is an apocalyptic number.

It is an amenable number.

7485696621 is a deficient number, since it is larger than the sum of its proper divisors (4457295699).

7485696621 is a wasteful number, since it uses less digits than its factorization.

7485696621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21326793 (or 21326787 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The square root of 7485696621 is about 86519.9203709758. The cubic root of 7485696621 is about 1956.1886768012.

The spelling of 7485696621 in words is "seven billion, four hundred eighty-five million, six hundred ninety-six thousand, six hundred twenty-one".