7439992497 has 12 divisors (see below), whose sum is σ = 12281892480. Its totient is φ = 4251424248.

The previous prime is 7439992487. The next prime is 7439992561. The reversal of 7439992497 is 7942999347.

7439992497 is a `hidden beast` number, since 7 + 439 + 99 + 24 + 97 = 666.

It is not a de Polignac number, because 7439992497 - 2¹⁰ = 7439991473 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63), and also a Moran number because the ratio is a prime number: 118095119 = 7439992497 / (7 + 4 + 3 + 9 + 9 + 9 + 2 + 4 + 9 + 7).

It is not an unprimeable number, because it can be changed into a prime (7439992457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59047497 + ... + 59047622.

It is an arithmetic number, because the mean of its divisors is an integer number (1023491040).

Almost surely, 2^7439992497 is an apocalyptic number.

It is an amenable number.

7439992497 is a deficient number, since it is larger than the sum of its proper divisors (4841899983).

7439992497 is a wasteful number, since it uses less digits than its factorization.

7439992497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118095132 (or 118095129 counting only the distinct ones).

The product of its digits is 30862944, while the sum is 63.

The square root of 7439992497 is about 86255.3911184686. The cubic root of 7439992497 is about 1952.1993590932.

It can be divided in two parts, 743999 and 2497, that added together give a square (746496 = 864²).

The spelling of 7439992497 in words is "seven billion, four hundred thirty-nine million, nine hundred ninety-two thousand, four hundred ninety-seven".