39154989474151 has 8 divisors (see below), whose sum is σ = 39454190164224. Its totient is φ = 38855793445560.

The previous prime is 39154989474143. The next prime is 39154989474179. The reversal of 39154989474151 is 15147498945193.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 39154989474151 - 2³ = 39154989474143 is a prime.

It is a super-2 number, since 2×39154989474151² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39154989474121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16745916 + ... + 18940318.

It is an arithmetic number, because the mean of its divisors is an integer number (4931773770528).

Almost surely, 2^{39154989474151} is an apocalyptic number.

39154989474151 is a deficient number, since it is larger than the sum of its proper divisors (299200690073).

39154989474151 is a wasteful number, since it uses less digits than its factorization.

39154989474151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2330741.

The product of its digits is 195955200, while the sum is 70.

The spelling of 39154989474151 in words is "thirty-nine trillion, one hundred fifty-four billion, nine hundred eighty-nine million, four hundred seventy-four thousand, one hundred fifty-one".