64202964237 has 12 divisors (see below), whose sum is σ = 94999508604. Its totient is φ = 41758025280.

The previous prime is 64202964233. The next prime is 64202964247. The reversal of 64202964237 is 73246920246.

It can be written as a sum of positive squares in 2 ways, for example, as 4886848836 + 59316115401 = 69906^2 + 243549^2 .

It is not a de Polignac number, because 64202964237 - 2² = 64202964233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64202964192 and 64202964201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64202964233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86995518 + ... + 86996255.

It is an arithmetic number, because the mean of its divisors is an integer number (7916625717).

Almost surely, 2^64202964237 is an apocalyptic number.

It is an amenable number.

64202964237 is a deficient number, since it is larger than the sum of its proper divisors (30796544367).

64202964237 is a wasteful number, since it uses less digits than its factorization.

64202964237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173991820 (or 173991817 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 45.

It can be divided in two parts, 642029 and 64237, that added together give a triangular number (706266 = T₁₁₈₈).

The spelling of 64202964237 in words is "sixty-four billion, two hundred two million, nine hundred sixty-four thousand, two hundred thirty-seven".