46451978371 has 2 divisors, whose sum is σ = 46451978372. Its totient is φ = 46451978370.

The previous prime is 46451978357. The next prime is 46451978483. The reversal of 46451978371 is 17387915464.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 46451978371 - 2³¹ = 44304494723 is a prime.

It is not a weakly prime, because it can be changed into another prime (46451978311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23225989185 + 23225989186.

It is an arithmetic number, because the mean of its divisors is an integer number (23225989186).

Almost surely, 2^46451978371 is an apocalyptic number.

46451978371 is a deficient number, since it is larger than the sum of its proper divisors (1).

46451978371 is an equidigital number, since it uses as much as digits as its factorization.

46451978371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5080320, while the sum is 55.

The spelling of 46451978371 in words is "forty-six billion, four hundred fifty-one million, nine hundred seventy-eight thousand, three hundred seventy-one".