7499493519973 has 32 divisors (see below), whose sum is σ = 9631893551616. Its totient is φ = 5675422249728.

The previous prime is 7499493519971. The next prime is 7499493520003. The reversal of 7499493519973 is 3799153949947.

It is not a de Polignac number, because 7499493519973 - 2¹ = 7499493519971 is a prime.

It is a super-2 number, since 2×7499493519973² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7499493519893 and 7499493519902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7499493519971) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54963111 + ... + 55099387.

It is an arithmetic number, because the mean of its divisors is an integer number (300996673488).

Almost surely, 2^{7499493519973} is an apocalyptic number.

It is an amenable number.

7499493519973 is a deficient number, since it is larger than the sum of its proper divisors (2132400031643).

7499493519973 is a wasteful number, since it uses less digits than its factorization.

7499493519973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162613.

The product of its digits is 2083248720, while the sum is 79.

The spelling of 7499493519973 in words is "seven trillion, four hundred ninety-nine billion, four hundred ninety-three million, five hundred nineteen thousand, nine hundred seventy-three".