61019073872621 has 8 divisors (see below), whose sum is σ = 61433948671488. Its totient is φ = 60604340850000.

The previous prime is 61019073872609. The next prime is 61019073872623. The reversal of 61019073872621 is 12627837091016.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61019073872621 - 2⁴² = 56621027361517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61019073872623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34580285 + ... + 36301986.

It is an arithmetic number, because the mean of its divisors is an integer number (7679243583936).

Almost surely, 2^{61019073872621} is an apocalyptic number.

It is an amenable number.

61019073872621 is a deficient number, since it is larger than the sum of its proper divisors (414874798867).

61019073872621 is a wasteful number, since it uses less digits than its factorization.

61019073872621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70888123.

The product of its (nonzero) digits is 1524096, while the sum is 53.

The spelling of 61019073872621 in words is "sixty-one trillion, nineteen billion, seventy-three million, eight hundred seventy-two thousand, six hundred twenty-one".