156002742893 has 2 divisors, whose sum is σ = 156002742894. Its totient is φ = 156002742892.

The previous prime is 156002742871. The next prime is 156002742953. The reversal of 156002742893 is 398247200651.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 135198142249 + 20804600644 = 367693^2 + 144238^2 .

It is a cyclic number.

It is not a de Polignac number, because 156002742893 - 2¹⁶ = 156002677357 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (156002742853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78001371446 + 78001371447.

It is an arithmetic number, because the mean of its divisors is an integer number (78001371447).

It is a 1-persistent number, because it is pandigital, but 2⋅156002742893 = 312005485786 is not.

Almost surely, 2^156002742893 is an apocalyptic number.

It is an amenable number.

156002742893 is a deficient number, since it is larger than the sum of its proper divisors (1).

156002742893 is an equidigital number, since it uses as much as digits as its factorization.

156002742893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 156002742893 in words is "one hundred fifty-six billion, two million, seven hundred forty-two thousand, eight hundred ninety-three".