940306463637 has 4 divisors (see below), whose sum is σ = 1253741951520. Its totient is φ = 626870975756.

The previous prime is 940306463609. The next prime is 940306463743. The reversal of 940306463637 is 736364603049.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 736364603049 = 3 ⋅245454867683.

It is a cyclic number.

It is not a de Polignac number, because 940306463637 - 2⁸ = 940306463381 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 940306463637.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (940306461637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156717743937 + ... + 156717743942.

It is an arithmetic number, because the mean of its divisors is an integer number (313435487880).

Almost surely, 2^940306463637 is an apocalyptic number.

It is an amenable number.

940306463637 is a deficient number, since it is larger than the sum of its proper divisors (313435487883).

940306463637 is a wasteful number, since it uses less digits than its factorization.

940306463637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313435487882.

The product of its (nonzero) digits is 5878656, while the sum is 51.

The spelling of 940306463637 in words is "nine hundred forty billion, three hundred six million, four hundred sixty-three thousand, six hundred thirty-seven".