30364393942 has 4 divisors (see below), whose sum is σ = 45546590916. Its totient is φ = 15182196970.

The previous prime is 30364393921. The next prime is 30364393951. The reversal of 30364393942 is 24939346303.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24939346303 = 179 ⋅139325957.

It is a junction number, because it is equal to n+sod(n) for n = 30364393892 and 30364393901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7591098484 + ... + 7591098487.

It is an arithmetic number, because the mean of its divisors is an integer number (11386647729).

Almost surely, 2^30364393942 is an apocalyptic number.

30364393942 is a deficient number, since it is larger than the sum of its proper divisors (15182196974).

30364393942 is a wasteful number, since it uses less digits than its factorization.

30364393942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15182196973.

The product of its (nonzero) digits is 1259712, while the sum is 46.

The spelling of 30364393942 in words is "thirty billion, three hundred sixty-four million, three hundred ninety-three thousand, nine hundred forty-two".