2421747537 has 16 divisors (see below), whose sum is σ = 3523709952. Its totient is φ = 1467239120.

The previous prime is 2421747509. The next prime is 2421747539. The reversal of 2421747537 is 7357471242.

It is a cyclic number.

It is not a de Polignac number, because 2421747537 - 2²⁸ = 2153312081 is a prime.

It is a super-2 number, since 2×2421747537² = 11729722265931132738, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2421747539) 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, 105988 + ... + 126794.

It is an arithmetic number, because the mean of its divisors is an integer number (220231872).

Almost surely, 2^2421747537 is an apocalyptic number.

It is an amenable number.

2421747537 is a deficient number, since it is larger than the sum of its proper divisors (1101962415).

2421747537 is a wasteful number, since it uses less digits than its factorization.

2421747537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24348.

The product of its digits is 329280, while the sum is 42.

The square root of 2421747537 is about 49211.2541701591. The cubic root of 2421747537 is about 1342.8977790582.

The spelling of 2421747537 in words is "two billion, four hundred twenty-one million, seven hundred forty-seven thousand, five hundred thirty-seven".