61478097741 has 24 divisors (see below), whose sum is σ = 92103779040. Its totient is φ = 40979554992.

The previous prime is 61478097731. The next prime is 61478097757. The reversal of 61478097741 is 14779087416.

It is a happy number.

61478097741 is a `hidden beast` number, since 61 + 478 + 0 + 9 + 77 + 41 = 666.

It is not a de Polignac number, because 61478097741 - 2⁷ = 61478097613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61478097731) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2303250 + ... + 2329788.

It is an arithmetic number, because the mean of its divisors is an integer number (3837657460).

Almost surely, 2^61478097741 is an apocalyptic number.

It is an amenable number.

61478097741 is a deficient number, since it is larger than the sum of its proper divisors (30625681299).

61478097741 is an equidigital number, since it uses as much as digits as its factorization.

61478097741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36087 (or 36075 counting only the distinct ones).

The product of its (nonzero) digits is 2370816, while the sum is 54.

The spelling of 61478097741 in words is "sixty-one billion, four hundred seventy-eight million, ninety-seven thousand, seven hundred forty-one".