30489740349 has 16 divisors (see below), whose sum is σ = 41356698240. Its totient is φ = 19975239360.

The previous prime is 30489740311. The next prime is 30489740387. The reversal of 30489740349 is 94304798403.

It is an interprime number because it is at equal distance from previous prime (30489740311) and next prime (30489740387).

It is a de Polignac number, because none of the positive numbers 2^k-30489740349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30489740849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129832 + ... + 278990.

It is an arithmetic number, because the mean of its divisors is an integer number (2584793640).

Almost surely, 2^30489740349 is an apocalyptic number.

It is an amenable number.

30489740349 is a deficient number, since it is larger than the sum of its proper divisors (10866957891).

30489740349 is a wasteful number, since it uses less digits than its factorization.

30489740349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150340.

The product of its (nonzero) digits is 2612736, while the sum is 51.

The spelling of 30489740349 in words is "thirty billion, four hundred eighty-nine million, seven hundred forty thousand, three hundred forty-nine".