61219625476 has 27 divisors (see below), whose sum is σ = 107860589823. Its totient is φ = 30403706880.

The previous prime is 61219625459. The next prime is 61219625479. The reversal of 61219625476 is 67452691216.

The square root of 61219625476 is 247426.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 2353220100 + 58866405376 = 48510^2 + 242624^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61219625479) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 95506116 + ... + 95506756.

Almost surely, 2^61219625476 is an apocalyptic number.

61219625476 is the 247426-th square number.

It is an amenable number.

61219625476 is a deficient number, since it is larger than the sum of its proper divisors (46640964347).

61219625476 is an frugal number, since it uses more digits than its factorization.

61219625476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1672 (or 836 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 49.

Multiplying 61219625476 by its sum of digits (49), we get a square (2999761648324 = 1731982²).

The spelling of 61219625476 in words is "sixty-one billion, two hundred nineteen million, six hundred twenty-five thousand, four hundred seventy-six".