63152574137 has 4 divisors (see below), whose sum is σ = 63157029156. Its totient is φ = 63148119120.

The previous prime is 63152574109. The next prime is 63152574143. The reversal of 63152574137 is 73147525136.

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

It can be written as a sum of positive squares in 2 ways, for example, as 51683020921 + 11469553216 = 227339^2 + 107096^2 .

It is a cyclic number.

It is not a de Polignac number, because 63152574137 - 2⁶ = 63152574073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63152504137) 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, 2206178 + ... + 2234619.

It is an arithmetic number, because the mean of its divisors is an integer number (15789257289).

Almost surely, 2^63152574137 is an apocalyptic number.

It is an amenable number.

63152574137 is a deficient number, since it is larger than the sum of its proper divisors (4455019).

63152574137 is a wasteful number, since it uses less digits than its factorization.

63152574137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4455018.

The product of its digits is 529200, while the sum is 44.

The spelling of 63152574137 in words is "sixty-three billion, one hundred fifty-two million, five hundred seventy-four thousand, one hundred thirty-seven".