61429913042 has 16 divisors (see below), whose sum is σ = 99360324000. Its totient is φ = 28388662560.

The previous prime is 61429913021. The next prime is 61429913057. The reversal of 61429913042 is 24031992416.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19712792 + ... + 19715907.

It is an arithmetic number, because the mean of its divisors is an integer number (6210020250).

Almost surely, 2^61429913042 is an apocalyptic number.

61429913042 is a deficient number, since it is larger than the sum of its proper divisors (37930410958).

61429913042 is a wasteful number, since it uses less digits than its factorization.

61429913042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39428761.

The product of its (nonzero) digits is 93312, while the sum is 41.

The spelling of 61429913042 in words is "sixty-one billion, four hundred twenty-nine million, nine hundred thirteen thousand, forty-two".