2782540353958 has 4 divisors (see below), whose sum is σ = 4173810530940. Its totient is φ = 1391270176978.

The previous prime is 2782540353949. The next prime is 2782540353973. The reversal of 2782540353958 is 8593530452872.

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

It is a junction number, because it is equal to n+sod(n) for n = 2782540353896 and 2782540353905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 695635088488 + ... + 695635088491.

It is an arithmetic number, because the mean of its divisors is an integer number (1043452632735).

Almost surely, 2^{2782540353958} is an apocalyptic number.

2782540353958 is a deficient number, since it is larger than the sum of its proper divisors (1391270176982).

2782540353958 is a wasteful number, since it uses less digits than its factorization.

2782540353958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1391270176981.

The product of its (nonzero) digits is 72576000, while the sum is 61.

The spelling of 2782540353958 in words is "two trillion, seven hundred eighty-two billion, five hundred forty million, three hundred fifty-three thousand, nine hundred fifty-eight".