61370014421 has 4 divisors (see below), whose sum is σ = 64600015200. Its totient is φ = 58140013644.

The previous prime is 61370014403. The next prime is 61370014427. The reversal of 61370014421 is 12441007316.

It is a happy number.

61370014421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61370014421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61370014427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1615000361 + ... + 1615000398.

It is an arithmetic number, because the mean of its divisors is an integer number (16150003800).

Almost surely, 2^61370014421 is an apocalyptic number.

It is an amenable number.

61370014421 is a deficient number, since it is larger than the sum of its proper divisors (3230000779).

61370014421 is a wasteful number, since it uses less digits than its factorization.

61370014421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3230000778.

The product of its (nonzero) digits is 4032, while the sum is 29.

The spelling of 61370014421 in words is "sixty-one billion, three hundred seventy million, fourteen thousand, four hundred twenty-one".