2357676892421 has 2 divisors, whose sum is σ = 2357676892422. Its totient is φ = 2357676892420.

The previous prime is 2357676892381. The next prime is 2357676892447. The reversal of 2357676892421 is 1242986767532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1515264983521 + 842411908900 = 1230961^2 + 917830^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2357676892421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2357676892321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1178838446210 + 1178838446211.

It is an arithmetic number, because the mean of its divisors is an integer number (1178838446211).

Almost surely, 2^{2357676892421} is an apocalyptic number.

It is an amenable number.

2357676892421 is a deficient number, since it is larger than the sum of its proper divisors (1).

2357676892421 is an equidigital number, since it uses as much as digits as its factorization.

2357676892421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60963840, while the sum is 62.

The spelling of 2357676892421 in words is "two trillion, three hundred fifty-seven billion, six hundred seventy-six million, eight hundred ninety-two thousand, four hundred twenty-one".