3645162637 has 2 divisors, whose sum is σ = 3645162638. Its totient is φ = 3645162636.

The previous prime is 3645162617. The next prime is 3645162641. The reversal of 3645162637 is 7362615463.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2352832036 + 1292330601 = 48506^2 + 35949^2 .

It is a cyclic number.

It is not a de Polignac number, because 3645162637 - 2¹⁵ = 3645129869 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3645162593 and 3645162602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3645162617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1822581318 + 1822581319.

It is an arithmetic number, because the mean of its divisors is an integer number (1822581319).

Almost surely, 2^3645162637 is an apocalyptic number.

It is an amenable number.

3645162637 is a deficient number, since it is larger than the sum of its proper divisors (1).

3645162637 is an equidigital number, since it uses as much as digits as its factorization.

3645162637 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 43.

The square root of 3645162637 is about 60375.1822937207. The cubic root of 3645162637 is about 1539.0012409985.

The spelling of 3645162637 in words is "three billion, six hundred forty-five million, one hundred sixty-two thousand, six hundred thirty-seven".