376742051509 has 4 divisors (see below), whose sum is σ = 376803486316. Its totient is φ = 376680616704.

The previous prime is 376742051503. The next prime is 376742051549. The reversal of 376742051509 is 905150247673.

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 353694257284 + 23047794225 = 594722^2 + 151815^2 .

It is a cyclic number.

It is not a de Polignac number, because 376742051509 - 2⁷ = 376742051381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (376742051503) 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, 30708204 + ... + 30720469.

It is an arithmetic number, because the mean of its divisors is an integer number (94200871579).

Almost surely, 2^376742051509 is an apocalyptic number.

It is an amenable number.

376742051509 is a deficient number, since it is larger than the sum of its proper divisors (61434807).

376742051509 is an equidigital number, since it uses as much as digits as its factorization.

376742051509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61434806.

The product of its (nonzero) digits is 1587600, while the sum is 49.

The spelling of 376742051509 in words is "three hundred seventy-six billion, seven hundred forty-two million, fifty-one thousand, five hundred nine".