1542919097 has 16 divisors (see below), whose sum is σ = 1622125440. Its totient is φ = 1464777600.

The previous prime is 1542919069. The next prime is 1542919109. The reversal of 1542919097 is 7909192451.

It is a cyclic number.

It is not a de Polignac number, because 1542919097 - 2⁶ = 1542919033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1542919067) 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, 2961197 + ... + 2961717.

It is an arithmetic number, because the mean of its divisors is an integer number (101382840).

Almost surely, 2^1542919097 is an apocalyptic number.

It is an amenable number.

1542919097 is a deficient number, since it is larger than the sum of its proper divisors (79206343).

1542919097 is a wasteful number, since it uses less digits than its factorization.

1542919097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1264.

The product of its (nonzero) digits is 204120, while the sum is 47.

The square root of 1542919097 is about 39280.0088721986. The cubic root of 1542919097 is about 1155.5295378597.

The spelling of 1542919097 in words is "one billion, five hundred forty-two million, nine hundred nineteen thousand, ninety-seven".