62661651953 has 4 divisors (see below), whose sum is σ = 62662360740. Its totient is φ = 62660943168.

The previous prime is 62661651919. The next prime is 62661651961. The reversal of 62661651953 is 35915616626.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 28861932544 + 33799719409 = 169888^2 + 183847^2 .

It is a cyclic number.

It is not a de Polignac number, because 62661651953 - 2¹² = 62661647857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (62661651253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199100 + ... + 406157.

It is an arithmetic number, because the mean of its divisors is an integer number (15665590185).

Almost surely, 2^62661651953 is an apocalyptic number.

It is an amenable number.

62661651953 is a deficient number, since it is larger than the sum of its proper divisors (708787).

62661651953 is a wasteful number, since it uses less digits than its factorization.

62661651953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708786.

The product of its digits is 1749600, while the sum is 50.

The spelling of 62661651953 in words is "sixty-two billion, six hundred sixty-one million, six hundred fifty-one thousand, nine hundred fifty-three".