156214774049 has 2 divisors, whose sum is σ = 156214774050. Its totient is φ = 156214774048.

The previous prime is 156214774043. The next prime is 156214774127. The reversal of 156214774049 is 940477412651.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134172027025 + 22042747024 = 366295^2 + 148468^2 .

It is a cyclic number.

It is not a de Polignac number, because 156214774049 - 2⁴ = 156214774033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 156214773988 and 156214774006.

It is not a weakly prime, because it can be changed into another prime (156214774043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78107387024 + 78107387025.

It is an arithmetic number, because the mean of its divisors is an integer number (78107387025).

Almost surely, 2^156214774049 is an apocalyptic number.

It is an amenable number.

156214774049 is a deficient number, since it is larger than the sum of its proper divisors (1).

156214774049 is an equidigital number, since it uses as much as digits as its factorization.

156214774049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1693440, while the sum is 50.

The spelling of 156214774049 in words is "one hundred fifty-six billion, two hundred fourteen million, seven hundred seventy-four thousand, forty-nine".