13772215801 has 2 divisors, whose sum is σ = 13772215802. Its totient is φ = 13772215800.

The previous prime is 13772215781. The next prime is 13772215817. The reversal of 13772215801 is 10851227731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13660934400 + 111281401 = 116880^2 + 10549^2 .

It is a cyclic number.

It is not a de Polignac number, because 13772215801 - 2³¹ = 11624732153 is a prime.

It is not a weakly prime, because it can be changed into another prime (13772215001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6886107900 + 6886107901.

It is an arithmetic number, because the mean of its divisors is an integer number (6886107901).

Almost surely, 2^13772215801 is an apocalyptic number.

It is an amenable number.

13772215801 is a deficient number, since it is larger than the sum of its proper divisors (1).

13772215801 is an equidigital number, since it uses as much as digits as its factorization.

13772215801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23520, while the sum is 37.

The spelling of 13772215801 in words is "thirteen billion, seven hundred seventy-two million, two hundred fifteen thousand, eight hundred one".