64117137403 has 4 divisors (see below), whose sum is σ = 69945968088. Its totient is φ = 58288306720.

The previous prime is 64117137391. The next prime is 64117137431. The reversal of 64117137403 is 30473171146.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 64117137403 - 2¹³ = 64117129211 is a prime.

It is a super-2 number, since 2×64117137403² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64117137433) 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, 2914415326 + ... + 2914415347.

It is an arithmetic number, because the mean of its divisors is an integer number (17486492022).

Almost surely, 2^64117137403 is an apocalyptic number.

64117137403 is a deficient number, since it is larger than the sum of its proper divisors (5828830685).

64117137403 is a wasteful number, since it uses less digits than its factorization.

64117137403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5828830684.

The product of its (nonzero) digits is 42336, while the sum is 37.

The spelling of 64117137403 in words is "sixty-four billion, one hundred seventeen million, one hundred thirty-seven thousand, four hundred three".