61407190445 has 8 divisors (see below), whose sum is σ = 74404052736. Its totient is φ = 48648802896.

The previous prime is 61407190421. The next prime is 61407190447. The reversal of 61407190445 is 54409170416.

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 61407190445 - 2²⁰ = 61406141869 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 (61407190447) 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, 59618117 + ... + 59619146.

It is an arithmetic number, because the mean of its divisors is an integer number (9300506592).

Almost surely, 2^61407190445 is an apocalyptic number.

It is an amenable number.

61407190445 is a deficient number, since it is larger than the sum of its proper divisors (12996862291).

61407190445 is a wasteful number, since it uses less digits than its factorization.

61407190445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119237371.

The product of its (nonzero) digits is 120960, while the sum is 41.

The spelling of 61407190445 in words is "sixty-one billion, four hundred seven million, one hundred ninety thousand, four hundred forty-five".