376622138649 has 4 divisors (see below), whose sum is σ = 502162851536. Its totient is φ = 251081425764.

The previous prime is 376622138609. The next prime is 376622138653. The reversal of 376622138649 is 946831226673.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 376622138649 - 2¹³ = 376622130457 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (376622138609) 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, 62770356439 + ... + 62770356444.

It is an arithmetic number, because the mean of its divisors is an integer number (125540712884).

Almost surely, 2^376622138649 is an apocalyptic number.

It is an amenable number.

376622138649 is a deficient number, since it is larger than the sum of its proper divisors (125540712887).

376622138649 is a wasteful number, since it uses less digits than its factorization.

376622138649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125540712886.

The product of its digits is 15676416, while the sum is 57.

The spelling of 376622138649 in words is "three hundred seventy-six billion, six hundred twenty-two million, one hundred thirty-eight thousand, six hundred forty-nine".