342780899554 has 4 divisors (see below), whose sum is σ = 514171349334. Its totient is φ = 171390449776.

The previous prime is 342780899521. The next prime is 342780899557. The reversal of 342780899554 is 455998087243.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 319990468329 + 22790431225 = 565677^2 + 150965^2 .

It is not an unprimeable number, because it can be changed into a prime (342780899557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85695224887 + ... + 85695224890.

Almost surely, 2^342780899554 is an apocalyptic number.

342780899554 is a deficient number, since it is larger than the sum of its proper divisors (171390449780).

342780899554 is a wasteful number, since it uses less digits than its factorization.

342780899554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171390449779.

The product of its (nonzero) digits is 87091200, while the sum is 64.

The spelling of 342780899554 in words is "three hundred forty-two billion, seven hundred eighty million, eight hundred ninety-nine thousand, five hundred fifty-four".