3391720019357 has 4 divisors (see below), whose sum is σ = 3463884275136. Its totient is φ = 3319555763580.

The previous prime is 3391720019323. The next prime is 3391720019483. The reversal of 3391720019357 is 7539100271933.

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 not a de Polignac number, because 3391720019357 - 2²² = 3391715825053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3391720019057) 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, 36082127819 + ... + 36082127912.

It is an arithmetic number, because the mean of its divisors is an integer number (865971068784).

Almost surely, 2^{3391720019357} is an apocalyptic number.

It is an amenable number.

3391720019357 is a deficient number, since it is larger than the sum of its proper divisors (72164255779).

3391720019357 is an equidigital number, since it uses as much as digits as its factorization.

3391720019357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72164255778.

The product of its (nonzero) digits is 1071630, while the sum is 50.

The spelling of 3391720019357 in words is "three trillion, three hundred ninety-one billion, seven hundred twenty million, nineteen thousand, three hundred fifty-seven".