64524157037 has 2 divisors, whose sum is σ = 64524157038. Its totient is φ = 64524157036.

The previous prime is 64524156979. The next prime is 64524157109. The reversal of 64524157037 is 73075142546.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52766224681 + 11757932356 = 229709^2 + 108434^2 .

It is a cyclic number.

It is not a de Polignac number, because 64524157037 - 2¹⁶ = 64524091501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64524153037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32262078518 + 32262078519.

It is an arithmetic number, because the mean of its divisors is an integer number (32262078519).

Almost surely, 2^64524157037 is an apocalyptic number.

It is an amenable number.

64524157037 is a deficient number, since it is larger than the sum of its proper divisors (1).

64524157037 is an equidigital number, since it uses as much as digits as its factorization.

64524157037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 705600, while the sum is 44.

The spelling of 64524157037 in words is "sixty-four billion, five hundred twenty-four million, one hundred fifty-seven thousand, thirty-seven".