62455321381 has 2 divisors, whose sum is σ = 62455321382. Its totient is φ = 62455321380.

The previous prime is 62455321349. The next prime is 62455321391. The reversal of 62455321381 is 18312355426.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59849218881 + 2606102500 = 244641^2 + 51050^2 .

It is a cyclic number.

It is not a de Polignac number, because 62455321381 - 2⁵ = 62455321349 is a prime.

It is a super-2 number, since 2×62455321381² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (62455321391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31227660690 + 31227660691.

It is an arithmetic number, because the mean of its divisors is an integer number (31227660691).

Almost surely, 2^62455321381 is an apocalyptic number.

It is an amenable number.

62455321381 is a deficient number, since it is larger than the sum of its proper divisors (1).

62455321381 is an equidigital number, since it uses as much as digits as its factorization.

62455321381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 172800, while the sum is 40.

The spelling of 62455321381 in words is "sixty-two billion, four hundred fifty-five million, three hundred twenty-one thousand, three hundred eighty-one".