64736473371 has 24 divisors (see below), whose sum is σ = 95058097920. Its totient is φ = 39108518064.

The previous prime is 64736473369. The next prime is 64736473387. The reversal of 64736473371 is 17337463746.

It is not a de Polignac number, because 64736473371 - 2¹ = 64736473369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64736477371) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1274551 + ... + 1324368.

It is an arithmetic number, because the mean of its divisors is an integer number (3960754080).

Almost surely, 2^64736473371 is an apocalyptic number.

64736473371 is a deficient number, since it is larger than the sum of its proper divisors (30321624549).

64736473371 is a wasteful number, since it uses less digits than its factorization.

64736473371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2598983 (or 2598964 counting only the distinct ones).

The product of its digits is 5334336, while the sum is 51.

The spelling of 64736473371 in words is "sixty-four billion, seven hundred thirty-six million, four hundred seventy-three thousand, three hundred seventy-one".