814207725494 has 8 divisors (see below), whose sum is σ = 1221457406808. Its totient is φ = 407055256560.

The previous prime is 814207725481. The next prime is 814207725517. The reversal of 814207725494 is 494527702418.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×814207725494² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24282152 + ... + 24315659.

It is an arithmetic number, because the mean of its divisors is an integer number (152682175851).

Almost surely, 2^814207725494 is an apocalyptic number.

814207725494 is a deficient number, since it is larger than the sum of its proper divisors (407249681314).

814207725494 is a wasteful number, since it uses less digits than its factorization.

814207725494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48606190.

The product of its (nonzero) digits is 4515840, while the sum is 53.

The spelling of 814207725494 in words is "eight hundred fourteen billion, two hundred seven million, seven hundred twenty-five thousand, four hundred ninety-four".