3420187547 has 16 divisors (see below), whose sum is σ = 3951267840. Its totient is φ = 2899901952.

The previous prime is 3420187513. The next prime is 3420187553. The reversal of 3420187547 is 7457810243.

It is a cyclic number.

It is not a de Polignac number, because 3420187547 - 2⁸ = 3420187291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3420187567) 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, 234758 + ... + 248900.

It is an arithmetic number, because the mean of its divisors is an integer number (246954240).

Almost surely, 2^3420187547 is an apocalyptic number.

3420187547 is a deficient number, since it is larger than the sum of its proper divisors (531080293).

3420187547 is a wasteful number, since it uses less digits than its factorization.

3420187547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14522.

The product of its (nonzero) digits is 188160, while the sum is 41.

The square root of 3420187547 is about 58482.3695398878. The cubic root of 3420187547 is about 1506.6647945576.

The spelling of 3420187547 in words is "three billion, four hundred twenty million, one hundred eighty-seven thousand, five hundred forty-seven".